The Power of Smile ™ Oral Health Library

Stay up to date on the current topics and trends in dentistry. Articles are updated regularly on topics that discuss the importance of oral health as it relates to overall health from our team of experts.






Meet The Clinicians



Learn about current topics and trends in dentistry and the importance of oral health as it relates to overall health from our team of experts.



Eileen Crespo, MD

Dr. Eileen Crespo is the Vice President of Medical Services at Delta Dental of Minnesota. Dr. Crespo is a practicing pediatrician of 20 years. She is currently a fellow of the American Academy of Pediatrics (AAP) and a member of the Board of Directors at Children’s Dental Service and the Minnesota Chapter of the American Academy of Pediatrics.

Reena Gajjar, DDS

As a Prosthodontist and Entrepreneur, Dr. Reena Gajjar has founded and scaled services, software and physical solutions niched in the healthcare, technology, education and aesthetic industries. Along with building one of the most successful dental implant training companies in North America, she also built a patient education software company which was a pioneer in the industry. Respected by many as a visionary in innovation, design and data driven decision making, she has also invented a unique cosmetic product, earning a coveted Utility Patent. Always learning, Dr. Gajjar recently completed the Business and Data Analytics graduate program at Harvard University.



Nirmala Prabhu, DMD

Dr. Nirmala Prabhu (Dr. Nina) is the Vice President of Dental Services at Delta Dental of Minnesota. Prior to joining Delta Dental of Minnesota, Dr. Nina was the Director of National Dental Policy and Surveillance and Utilization Review Subsystem (SURS) at Delta Dental of California for 18 years.

R. Bruce Templeton, DMD

Dr. Bruce Templeton is an oral surgeon and has served both on the board and as a medical consultant for Delta Dental of Minnesota since 2011. Dr. Templeton has served as both the Chief of Dentistry and Oral/Maxillofacial Surgery at the Minneapolis Veterans Affairs Health Care System, and as a clinical professor at the University of Minnesota School of Dentistry.






Recent Articles




May 23rd, 2022

Oral health in middle-age (30-50 year olds)

As life and adult years progress, it's important not to neglect oral health. Genetics and lifestyle can contribute to the development of chronic diseases and many of the most common diseases can have connections to one’s oral health.

May 2nd, 2022

The connection between diabetes and oral health

Did you know that those who have gum (periodontal) disease are at greater risk for diabetes? The reverse is also true. Gum disease is a risk factor for developing type 2 diabetes. This demonstrates the strong connection between diabetes and dental health.

April 25th, 2022

Athletic mouthguards to protect teeth

Just as helmets, knee pads or other protective equipment should be worn during certain sports and activities, mouthguards are also crucial for protection from injury. Contact sports or activities that cause collision can be especially risky to your mouth and teeth. Find out which sports and activities require a mouthguard and the different types and benefits that are offered.

April 18th, 2022

Osteoporosis medications & oral health

For people who take bone-strengthening medications such as those used to treat osteoporosis, related osteonecrosis of the jaw (MRONJ) can develop after dental treatments that involve the bone. This is known as antiresorptive therapy and is common today. Let's take a look at this connection between certain medications and oral health.

March 16th, 2022

Gum disease, tooth loss and heart health

Most people may not be aware of the distinct connection between the health of their gums and the health of their heart. If you care for your oral health, you are also caring for the rest of your body because of the link between dental and overall health.

March 8th, 2022

Preventing early childhood cavities

Yes, even baby teeth are at risk of cavities. It's important to start caring for your child's teeth as soon as they erupt so that you can enjoy their happy & healthy smiles for years to come. Learn about the risk of early child cavities and how to prevent them in this post.

December 17th, 2021

Clinician's Corner: Dental dangers on TikTok

Many people turn to social media for ideas, advice and "hacks" to make improvements to their lifestyle or routine. Before using any of the tips you find on TikTok or elsewhere regarding your oral health and dental routine, be aware that some of these are dangerous and can damage your teeth. Practicing pediatrician Dr. Crespo explains why some popular TikTok trends should be avoided all together in order to keep you safe and healthy.

November 18th, 2021

Clinician’s Corner: Acidic drinks & your teeth

Many foods and beverages create an acidic environment in your mouth that can cause decay and erosion of enamel over time. This can lead to cavities. Learn about which beverages to drink and which to avoid in order to protect your teeth.

November 4th, 2021

Clinician's Corner: Oral health & the immune system

A strong immune system is one of the main goals of healthy living and is necessary for good health and fitness. In this segment of Clinician's Corner, Dr. Templeton explains how your oral health can affect your immune system's ability to fight disease and keep you healthy.

July 8th, 2021

Clinician's Corner: Caring for & cleaning braces

In this segment of Clinician's Corner, Dr. Nina Prabhu explains the main ways you should care for and clean your braces to maintain good oral health.

June 15th, 2021

Clinician’s Corner: Dental Sealants

Dr. Templeton explains the importance of dental sealants as part of regular preventive care. Learn how dental sealants can keep cavities from forming on molars in both children and adults.

June 8th, 2021

Clinician’s Corner: Keep kids smiling all summer!

Some kids might struggle to keep up with a healthy dental routine over the summer. Here are some tips to keep kids on track with brushing teeth and flossing from pediatrician Dr. Eileen Crespo.